EP3937490A4 - Codage vidéo ou d'image basé sur un codage intra-bloc - Google Patents

Codage vidéo ou d'image basé sur un codage intra-bloc Download PDF

Info

Publication number
EP3937490A4
EP3937490A4 EP20766767.6A EP20766767A EP3937490A4 EP 3937490 A4 EP3937490 A4 EP 3937490A4 EP 20766767 A EP20766767 A EP 20766767A EP 3937490 A4 EP3937490 A4 EP 3937490A4
Authority
EP
European Patent Office
Prior art keywords
coding
based video
intra block
image coding
image
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20766767.6A
Other languages
German (de)
English (en)
Other versions
EP3937490A1 (fr
Inventor
Junghak NAM
Hyeongmoon JANG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP3937490A1 publication Critical patent/EP3937490A1/fr
Publication of EP3937490A4 publication Critical patent/EP3937490A4/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP20766767.6A 2019-03-04 2020-03-04 Codage vidéo ou d'image basé sur un codage intra-bloc Pending EP3937490A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962813731P 2019-03-04 2019-03-04
PCT/KR2020/003045 WO2020180100A1 (fr) 2019-03-04 2020-03-04 Codage vidéo ou d'image basé sur un codage intra-bloc

Publications (2)

Publication Number Publication Date
EP3937490A1 EP3937490A1 (fr) 2022-01-12
EP3937490A4 true EP3937490A4 (fr) 2022-12-28

Family

ID=72337998

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20766767.6A Pending EP3937490A4 (fr) 2019-03-04 2020-03-04 Codage vidéo ou d'image basé sur un codage intra-bloc

Country Status (6)

Country Link
US (1) US20220141485A1 (fr)
EP (1) EP3937490A4 (fr)
KR (1) KR20210124270A (fr)
CN (1) CN113508583A (fr)
AU (2) AU2020232109C1 (fr)
WO (1) WO2020180100A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200288175A1 (en) * 2019-03-06 2020-09-10 Qualcomm Incorporated Signaling of triangle merge mode indexes in video coding
CA3136498A1 (fr) * 2019-05-24 2020-12-03 Huawei Technologies Co., Ltd. Codeur, decodeur et procedes correspondants utilisant une liste de fusion ibc
TW202106014A (zh) * 2019-06-20 2021-02-01 日商索尼股份有限公司 影像處理裝置及影像處理方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101379188B1 (ko) * 2010-05-17 2014-04-18 에스케이 텔레콤주식회사 인트라 블록 및 인터 블록이 혼합된 코딩블록을 이용하는 영상 부호화/복호화 장치 및 그 방법
US9883197B2 (en) * 2014-01-09 2018-01-30 Qualcomm Incorporated Intra prediction of chroma blocks using the same vector
US20150271515A1 (en) * 2014-01-10 2015-09-24 Qualcomm Incorporated Block vector coding for intra block copy in video coding
US9756354B2 (en) * 2014-03-17 2017-09-05 Qualcomm Incorporated Block vector predictor for intra block copying
US10432928B2 (en) * 2014-03-21 2019-10-01 Qualcomm Incorporated Using a current picture as a reference for video coding
JP6482191B2 (ja) * 2014-06-12 2019-03-13 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
KR101748620B1 (ko) * 2014-06-20 2017-07-04 성균관대학교산학협력단 영상의 부호화/복호화 방법 및 이를 이용하는 장치
WO2019225993A1 (fr) * 2018-05-23 2019-11-28 주식회사 케이티 Procédé et appareil de traitement de signal vidéo
KR102572140B1 (ko) * 2018-11-30 2023-08-30 샤프 가부시키가이샤 코딩된 비디오의 픽처들에 대한 타일 구조들을 시그널링하기 위한 시스템들 및 방법들
KR102601014B1 (ko) * 2018-12-28 2023-11-09 고도 가이샤 아이피 브릿지 1 화상 부호화 장치, 화상 부호화 방법, 화상 부호화 프로그램, 화상 복호 장치, 화상 복호 방법 및 화상 복호 프로그램

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
BROSS B ET AL: "Versatile Video Coding (Draft 4)", no. JVET-M1001, 27 February 2019 (2019-02-27), XP030202598, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/13_Marrakech/wg11/JVET-M1001-v5.zip JVET-M1001-v5.docx> [retrieved on 20190227] *
FLYNN D ET AL: "HEVC Range Extensions Draft 6", 16. JCT-VC MEETING; 9-1-2014 - 17-1-2014; SAN JOSE; (JOINT COLLABORATIVE TEAM ON VIDEO CODING OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ); URL: HTTP://WFTP3.ITU.INT/AV-ARCH/JCTVC-SITE/,, no. JCTVC-P1005-v4, 3 April 2014 (2014-04-03), XP030115878 *
HE (INTERDIGITAL) Y ET AL: "Non-SCCE1: Improved intra block copy coding with block vector derivation", no. JCTVC-R0165, 30 June 2014 (2014-06-30), XP030240184, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jct/doc_end_user/documents/18_Sapporo/wg11/JCTVC-R0165-v2.zip JCTVC-R0165.docx> [retrieved on 20140630] *
NAM (LGE) J ET AL: "CE8-related: Signaling on maximum number of candidates for IBC merge mode", no. JVET-N0461, 13 March 2019 (2019-03-13), XP030203106, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/14_Geneva/wg11/JVET-N0461-v1.zip JVET-N0461.docx> [retrieved on 20190313] *
ZHOU (TI) M: "CE13: Test results on maxNumMergeCand signaling and simplification of merge MVP list pruning process", no. JCTVC-G091, 17 November 2011 (2011-11-17), XP030229800, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jct/doc_end_user/documents/7_Geneva/wg11/JCTVC-G091-v3.zip JCTVC-G091.doc> [retrieved on 20111117] *

Also Published As

Publication number Publication date
WO2020180100A1 (fr) 2020-09-10
AU2020232109B2 (en) 2023-05-04
US20220141485A1 (en) 2022-05-05
AU2020232109C1 (en) 2023-10-19
KR20210124270A (ko) 2021-10-14
AU2023214332A1 (en) 2023-08-31
EP3937490A1 (fr) 2022-01-12
CN113508583A (zh) 2021-10-15
AU2020232109A1 (en) 2021-11-04

Similar Documents

Publication Publication Date Title
SG11202006301YA (en) Intra block copy for video coding
SG11202111583WA (en) Merge mode coding for video coding
EP3738310A4 (fr) Codage vidéo en utilisant une compensation d&#39;éclairage local
EP3900357A4 (fr) Initialisation d&#39;une mémoire tampon permettant une copie intra-bloc dans un codage vidéo
EP3949394A4 (fr) Codage vidéo intra utilisant de multiples filtres de référence
EP3915252A4 (fr) Aspects d&#39;application pour copie de bloc intra en codage vidéo
EP3777143A4 (fr) Intercodage pour codage vidéo à résolution adaptative
EP3922029A4 (fr) Codage vidéo à l&#39;aide d&#39;un mode de codage de sous-partition intra
EP3937490A4 (fr) Codage vidéo ou d&#39;image basé sur un codage intra-bloc
EP4042687A4 (fr) Transformée de couleur pour un codage vidéo
EP3777144A4 (fr) Signalisation du mode de prédiction intra pour un codage vidéo
EP3777158A4 (fr) Codage vidéo à résolution adaptative
EP4150909A4 (fr) Codage vidéo évolutif en fréquence d&#39;images
EP3985969A4 (fr) Codage vidéo ou d&#39;image basé sur un mappage de luminance et une mise à l&#39;échelle chromatique
EP3973704A4 (fr) Modes de codage sans perte pour un codage vidéo
EP3925223A4 (fr) Copie de block intra pour codage de contenu d&#39;écran
EP3777170A4 (fr) Codage vidéo à résolution adaptative
EP3799690A4 (fr) Signalisation en mode intra de luminance
GB201905400D0 (en) Video coding technology
EP3985977A4 (fr) Codage de vidéo ou d&#39;image basé sur un mappage de luminance
EP4133723A4 (fr) Codage vidéo en mode de chrominance
EP3975563A4 (fr) Prédiction inter dans un système de codage de vidéo ou d&#39;image
EP4026322A4 (fr) Signalisation de mode de prédiction en codage vidéo
EP3939299A4 (fr) Gestion de mémoire tampon d&#39;images décodées pour codage vidéo
EP4038545A4 (fr) Vidéo-codage pour libre accès

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20211006

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20221129

RIC1 Information provided on ipc code assigned before grant

Ipc: H04N 19/176 20140101ALI20221123BHEP

Ipc: H04N 19/105 20140101ALI20221123BHEP

Ipc: H04N 19/52 20140101ALI20221123BHEP

Ipc: H04N 19/70 20140101ALI20221123BHEP

Ipc: H04N 19/593 20140101ALI20221123BHEP

Ipc: H04N 19/11 20140101AFI20221123BHEP